<template>
  <div class="icons">
    <swiper>
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imhgUrl"/>
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data () {
    return {
      iconList: [{
        id: '0001',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '景点门票'
      }, {
        id: '0002',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '222'
      }, {
        id: '0003',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '333'
      }, {
        id: '0004',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '444'
      }, {
        id: '0005',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '555'
      }, {
        id: '0006',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '666'
      }, {
        id: '0007',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '777'
      }, {
        id: '0008',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '888'
      }, {
        id: '0009',
        imhgUrl: 'https://imgs.qunarzz.com/p/p48/201302/28/e9603bf3a8f7fbfd93835fbb.jpg_256x160_91a0d66d.jpg',
        desc: '999'
      }]
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl';
  @import '~styles/mixins.styl';
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
    /*background: green*/
  .icon
      position:relative
      overflow:hidden
      width:25%
      height:0
      float:left
      padding-bottom:25%
      /*background: red*/
      .icon-img
        position:absolute
        top:0
        left:0
        right:0
        bottom:.44rem
        box-sizing:border-box
        padding:.1rem
        /*background:red*/
        .icon-img-content
          height:100%
          display:block
          margin:0 auto
      .icon-desc
        position:absolute
        height:.44rem
        line-height:.44rem
        left:0
        right:0
        bottom:0
        color: $darkTextColor
        text-align:center
        ellipsis()
</style>
